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GPT-5 Mini vs Nemotron 3 Nano 30B A3B

GPT-5 Mini leads Nemotron 3 Nano 30B A3B on the Artificial Analysis Intelligence Index, 20.6 to 8.9, and Nemotron 3 Nano 30B A3B costs 9.1x less per output token ($0.22 vs $2.00 per million). Updated October 22, 2026; 40 benchmarks have a result for both.

Replace GPT-5 Mini Replace Nemotron 3 Nano 30B A3B
GPT-5 MiniOpenAI
Coding
34.2
Overall
43.7
Output $/M
$2.00
36
Nemotron 3 Nano 30B A3BNVIDIA
Coding
No data
Overall
No data
Output $/M
$0.22
4
vs boards won of 40 shared

GPT-5 Mini or Nemotron 3 Nano 30B A3B: which to pick

Only GPT-5 Mini has a coding score, 34.2 on the Vibe Coding Index; Nemotron 3 Nano 30B A3B has none, so the two cannot be ranked on coding.

Pick Nemotron 3 Nano 30B A3B for output tokens 9.1x cheaper ($0.22 vs $2.00 per million) and work measured by AA Math Index or AIME 2025 (Artificial Analysis run), where it leads.

Model AGPT-5 MiniOpenAI34.2/1002 independent benchmarks$0.08 per solved taskModel BNemotron 3 Nano 30B A3BNVIDIANot benchmarkedNo coding benchmarkNo cost per solved task
Shared results
40
GPT-5 Mini only
63
Nemotron 3 Nano 30B A3B only
2
Like-for-like categories
7 of 9

Only benchmarks that tested both models count toward a pick; a result only one model has is shown but not compared.

Which one for your work

Each card is decided by one number both models carry. Where only one has it, the card says so and makes no call.

At a glance

Coding index
GPT-5 Mini 34.2 from 2 benchmarks, Nemotron 3 Nano 30B A3B not benchmarked.
Widest category
Agentic work, 30.1 points apart on average over 1 shared benchmark.
Widest single gap
Long context reasoning (AA-LCR): GPT-5 Mini 72.3% against Nemotron 3 Nano 30B A3B 38.0%, 34.3 points apart on a 0 to 100 scale.
Output price
GPT-5 Mini $2.00 against Nemotron 3 Nano 30B A3B $0.22 per million output tokens, 9.1x apart.
Context window
GPT-5 Mini takes 400K tokens, Nemotron 3 Nano 30B A3B 262K.

Benchmark by benchmark

First the score: boards each model leads, per category, where both have a result. Then every board, a category to a fold; bars are each result on a 0 to 100 scale, so compare the two in a row, not one row with another.

Boards won, where both have a result
CategoryGPT-5 MiniBarsNemotron 3 Nano 30B A3BTies
Coding50
Intelligence10
Agentic work10
Reasoning50
Math22
Knowledge50
General172
All shared boards364
CodingLike-for-likeSix of these boards feed the Vibe Coding Index50
Coding benchmarks for GPT-5 Mini and Nemotron 3 Nano 30B A3B
BenchmarkGPT-5 MiniNemotron 3 Nano 30B A3BLeader
SWE-bench Verified59.8%Not measuredOnly GPT-5 Mini measured
SWE-bench Multilingual39.7%Not measuredOnly GPT-5 Mini measured
AA Coding IndexNot measured14.4Only Nemotron 3 Nano 30B A3B measured
LiveCodeBench (Vals AI)86.6%Not measuredOnly GPT-5 Mini measured
SWE-bench Verified (Vals AI)60.8%Not measuredOnly GPT-5 Mini measured
Vibe Code Bench (Vals AI)14.2%Not measuredOnly GPT-5 Mini measured
LiveCodeBench (Artificial Analysis run)83.8%74.1%GPT-5 Mini
SciCode39.0%30.6%GPT-5 Mini
Terminal-Bench Hard (Artificial Analysis run)33.3%13.6%GPT-5 Mini
Terminal-Bench34.8%Not measuredOnly GPT-5 Mini measured
WeirdML52.7%Not measuredOnly GPT-5 Mini measured
LMArena Text: coding14061378GPT-5 Mini
LMArena Text: software and IT13941383GPT-5 Mini
Neither model has a result on the other 30 boards here
IntelligenceLike-for-likePublic boards, shown as published, kept out of the index10
Intelligence benchmarks for GPT-5 Mini and Nemotron 3 Nano 30B A3B
BenchmarkGPT-5 MiniNemotron 3 Nano 30B A3BLeader
AA Intelligence Index20.68.9GPT-5 Mini
Epoch Capabilities Index145.3Not measuredOnly GPT-5 Mini measured
Agentic workLike-for-likePublic boards, shown as published, kept out of the index10
Agentic work benchmarks for GPT-5 Mini and Nemotron 3 Nano 30B A3B
BenchmarkGPT-5 MiniNemotron 3 Nano 30B A3BLeader
AA Agentic IndexNot measured1.0Only Nemotron 3 Nano 30B A3B measured
τ²-Bench Telecom71.1%40.9%GPT-5 Mini
Vending-Bench 2-$31Not measuredOnly GPT-5 Mini measured
Berkeley Function Calling Leaderboard (BFCL)55.5%Not measuredOnly GPT-5 Mini measured
Neither model has a result on the other 38 boards here
ReasoningLike-for-likePublic boards, shown as published, kept out of the index50
Reasoning benchmarks for GPT-5 Mini and Nemotron 3 Nano 30B A3B
BenchmarkGPT-5 MiniNemotron 3 Nano 30B A3BLeader
GPQA Diamond80.3%Not measuredOnly GPT-5 Mini measured
MMMU Pro (Vals AI)78.9%Not measuredOnly GPT-5 Mini measured
GPQA Diamond (Artificial Analysis run)82.8%75.7%GPT-5 Mini
Humanity's Last Exam (Artificial Analysis run)21.5%11.4%GPT-5 Mini
GPQA Diamond (Epoch AI run)75.0%Not measuredOnly GPT-5 Mini measured
ARC-AGI54.3%Not measuredOnly GPT-5 Mini measured
ARC-AGI-24.4%Not measuredOnly GPT-5 Mini measured
Chess puzzles24.0%Not measuredOnly GPT-5 Mini measured
Mystery game puzzles10.0%Not measuredOnly GPT-5 Mini measured
VPCT40.2%Not measuredOnly GPT-5 Mini measured
LMArena Text: hard prompts13801348GPT-5 Mini
LMArena Text: expert13791355GPT-5 Mini
LMArena Text: hard prompts in English13831376GPT-5 Mini
LMArena Vision: diagrams1202Not measuredOnly GPT-5 Mini measured
LMArena Vision: homework1210Not measuredOnly GPT-5 Mini measured
Kagi LLM Benchmark70.3%Not measuredOnly GPT-5 Mini measured
Neither model has a result on the other 7 boards here
MathLike-for-likePublic boards, shown as published, kept out of the index22
Math benchmarks for GPT-5 Mini and Nemotron 3 Nano 30B A3B
BenchmarkGPT-5 MiniNemotron 3 Nano 30B A3BLeader
AIME91.5%Not measuredOnly GPT-5 Mini measured
MATH 500 (Vals AI)94.8%Not measuredOnly GPT-5 Mini measured
MGSM (Vals AI)92.6%Not measuredOnly GPT-5 Mini measured
AA Math Index90.791.0Nemotron 3 Nano 30B A3B
AIME 2025 (Artificial Analysis run)90.7%91.0%Nemotron 3 Nano 30B A3B
OTIS Mock AIME86.7%Not measuredOnly GPT-5 Mini measured
FrontierMath, tiers 1 to 346.7%Not measuredOnly GPT-5 Mini measured
FrontierMath, tier 412.2%Not measuredOnly GPT-5 Mini measured
ProofBench9.0%Not measuredOnly GPT-5 Mini measured
MATH level 597.8%Not measuredOnly GPT-5 Mini measured
LMArena Text: math13781371GPT-5 Mini
LMArena Text: mathematical work13801375GPT-5 Mini
MathArena14.8%Not measuredOnly GPT-5 Mini measured
Neither model has a result on the other 1 board here
KnowledgeLike-for-likePublic boards, shown as published, kept out of the index50
Knowledge benchmarks for GPT-5 Mini and Nemotron 3 Nano 30B A3B
BenchmarkGPT-5 MiniNemotron 3 Nano 30B A3BLeader
MMLU Pro82.2%Not measuredOnly GPT-5 Mini measured
LegalBench (Vals AI)81.8%Not measuredOnly GPT-5 Mini measured
CaseLaw (Vals AI)68.5%Not measuredOnly GPT-5 Mini measured
CorpFin (Vals AI)60.2%Not measuredOnly GPT-5 Mini measured
TaxEval (Vals AI)75.2%Not measuredOnly GPT-5 Mini measured
MortgageTax (Vals AI)66.9%Not measuredOnly GPT-5 Mini measured
MedQA (Vals AI)96.1%Not measuredOnly GPT-5 Mini measured
MedCode (Vals AI)43.0%Not measuredOnly GPT-5 Mini measured
MMLU Pro (Artificial Analysis run)83.7%79.4%GPT-5 Mini
SimpleQA Verified21.6%Not measuredOnly GPT-5 Mini measured
LMArena Text: science13711353GPT-5 Mini
LMArena Text: medicine and healthcare13801349GPT-5 Mini
LMArena Text: legal and government13751341GPT-5 Mini
LMArena Text: business and finance13581346GPT-5 Mini
FACTS Benchmark Suite38.6%Not measuredOnly GPT-5 Mini measured
Neither model has a result on the other 5 boards here
Web designDirectional onlyPublic boards, shown as published, kept out of the index8 boards, none shared
Web design benchmarks for GPT-5 Mini and Nemotron 3 Nano 30B A3B
BenchmarkGPT-5 MiniNemotron 3 Nano 30B A3BLeader
Design Arena: websites1125Not measuredOnly GPT-5 Mini measured
Design Arena: UI components1103Not measuredOnly GPT-5 Mini measured
Design Arena: game dev1129Not measuredOnly GPT-5 Mini measured
Design Arena: data viz1131Not measuredOnly GPT-5 Mini measured
Design Arena: 3D1036Not measuredOnly GPT-5 Mini measured
Design Arena: all code categories1114Not measuredOnly GPT-5 Mini measured
Design Arena: SVG1090Not measuredOnly GPT-5 Mini measured
Design Arena: ASCII art1125Not measuredOnly GPT-5 Mini measured
Neither model has a result on the other 1 board here
GeneralLike-for-likePublic boards, shown as published, kept out of the index172
General benchmarks for GPT-5 Mini and Nemotron 3 Nano 30B A3B
BenchmarkGPT-5 MiniNemotron 3 Nano 30B A3BLeader
SAGE (Vals AI)43.0%Not measuredOnly GPT-5 Mini measured
MedScribe (Vals AI)80.6%Not measuredOnly GPT-5 Mini measured
IFBench75.4%71.1%GPT-5 Mini
Long context reasoning (AA-LCR)72.3%38.0%GPT-5 Mini
DTBench80.5%Not measuredOnly GPT-5 Mini measured
LMCA34.2%Not measuredOnly GPT-5 Mini measured
Fiction.LiveBench69.4%Not measuredOnly GPT-5 Mini measured
Creative writing (Lech Mazur)83.1%Not measuredOnly GPT-5 Mini measured
LMArena Text13731348GPT-5 Mini
LMArena Text: instruction following13571303GPT-5 Mini
LMArena Text: creative writing13251269GPT-5 Mini
LMArena Vision1202Not measuredOnly GPT-5 Mini measured
LMArena Text: English13791377GPT-5 Mini
LMArena Text: non-English13631320GPT-5 Mini
LMArena Text: Chinese13861383GPT-5 Mini
LMArena Text: German13661348GPT-5 Mini
LMArena Text: Japanese13411268GPT-5 Mini
LMArena Text: Korean13081269GPT-5 Mini
LMArena Text: French13861396Nemotron 3 Nano 30B A3B
LMArena Text: Spanish13541376Nemotron 3 Nano 30B A3B
LMArena Text: Russian13621304GPT-5 Mini
LMArena Text: Polish13781303GPT-5 Mini
LMArena Text: multi-turn13631319GPT-5 Mini
LMArena Text: longer queries13551300GPT-5 Mini
LMArena Text: writing and language13441283GPT-5 Mini
LMArena Text: entertainment and media13401293GPT-5 Mini
LMArena Vision: English1216Not measuredOnly GPT-5 Mini measured
LMArena Vision: Chinese1214Not measuredOnly GPT-5 Mini measured
LMArena Vision: reading text1199Not measuredOnly GPT-5 Mini measured
LMArena Vision: humor1205Not measuredOnly GPT-5 Mini measured
LMArena Vision: captioning1217Not measuredOnly GPT-5 Mini measured
LMArena Vision: recognizing things1226Not measuredOnly GPT-5 Mini measured
LMArena Vision: creative writing1181Not measuredOnly GPT-5 Mini measured
MultiChallenge59.0%Not measuredOnly GPT-5 Mini measured
Neither model has a result on the other 14 boards here
Image generationNot comparablePublic boards, shown as published, kept out of the index0 boards, none shared
Image generation benchmarks for GPT-5 Mini and Nemotron 3 Nano 30B A3B
BenchmarkGPT-5 MiniNemotron 3 Nano 30B A3BLeader
Neither model has a result on 5 boards here

What each workload costs

Three fixed token mixes at each model's listed price, so per-token rates become a bill.

Chat turn

1K input + 500 output tokens

GPT-5 Mini$0.0013Fits in one request
Nemotron 3 Nano 30B A3B$0.0002Fits in one request

Nemotron 3 Nano 30B A3B costs less

Repository review

50K input + 3K output tokens

GPT-5 Mini$0.018Fits in one request
Nemotron 3 Nano 30B A3B$0.0034Fits in one request

Nemotron 3 Nano 30B A3B costs less

Agent loop

200K input + 10K output tokens

GPT-5 Mini$0.070Fits in one request
Nemotron 3 Nano 30B A3B$0.013Fits in one request

Nemotron 3 Nano 30B A3B costs less

Listed OpenRouter rates, without cache or batch discounts. A workload that does not fit a model's context window would need splitting.

Specification differences

The leading value in a row is marked; a row with a missing value names no leader. Our two rows are marked in red.

Specifications of GPT-5 Mini and Nemotron 3 Nano 30B A3B
SpecificationOpenAI GPT-5 MiniNVIDIA Nemotron 3 Nano 30B A3B
MakerOpenAINVIDIA
WeightsNo public weights listedOpen weights
ReleasedAugust 7, 2025December 14, 2025
Context window400K262K
Input $/Mtok$0.25$0.055
Output $/Mtok$2.00$0.22
Coding index34.2Not benchmarked
Independent measurements behind it20
Cost per solved task$0.08Not computable
SourceOpenRouter listingOpenRouter listing

Questions

Is GPT-5 Mini better than Nemotron 3 Nano 30B A3B for coding?

Only GPT-5 Mini has a coding score, 34.2 on the Vibe Coding Index; Nemotron 3 Nano 30B A3B has none, so the two cannot be ranked on coding. Pick Nemotron 3 Nano 30B A3B for output tokens 9.1x cheaper ($0.22 vs $2.00 per million) and work measured by AA Math Index or AIME 2025 (Artificial Analysis run), where it leads.

Which is cheaper, GPT-5 Mini or Nemotron 3 Nano 30B A3B?

GPT-5 Mini costs $0.25 per million input tokens and $2.00 per million output tokens; Nemotron 3 Nano 30B A3B costs $0.055 and $0.22. Cost per solved task is known for GPT-5 Mini only.

Which has the bigger context window, GPT-5 Mini or Nemotron 3 Nano 30B A3B?

GPT-5 Mini, with 400K tokens against 262K.

How many benchmarks is the GPT-5 Mini vs Nemotron 3 Nano 30B A3B comparison based on?

40 benchmarks have a result for both models as of October 22, 2026. GPT-5 Mini's coding index rests on 2 independent benchmarks and Nemotron 3 Nano 30B A3B's on 0. Where only one model has a result, the page says so instead of naming a winner.

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